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Partname:FODM121E
Description: 4-Pin Full Pitch Mini-Flat Package Transistor Output Optocouplers
Manufacturer:Fairchild Semiconductor
Datasheet:PDF (634K).
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The FODM124, FODM121, and FODM2701 series consists of a gallium arsenide infrared emitting diode driving a phototransistor in a compact 4-pin mini-flat package. The lead pitch is 2.54 mm. The FODM2705 series consists of two gallium arsenide infrared emitting diodes connected in inverse parallel for AC operation.

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